. >> trickle down government that the president proposes, it is one where he will raise taxes on small business, which will kill jobs. i want to keep the taxes down on small business so we can create jobs. >> reporter: an instant cbs news poll on the uncommitted voters showed romney won the first debate by a margin of 2- 1. speaking on thursday he continues to draw contrast with the president. >> we don't measure compassion by how many people we can put on food stamps. but we measure it by how many people you can get a good job to get off of food stamps. >> reporter: president obama came out swinging thursday, something critics say he should have done at the debates. >> the presidented told a crowd of supporters in denver a different challenger showed up wednesday night. >> the real mitt romney has been running around the country for the last year. promising $5 trillion in tax cuts that will pay for the wealthy. he said he didn't know anything about that. >> reporter: and the president slammed romney for saying he would cut funding to pbs. >> we didn't know that big bird was driving th